Drag Racing Discussions > Front Engine Dragsters

battery disconnect with mag kill

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wideopen231:
According to rules io have to have th master disconnect also kill the mag.Have few ideas ,but never hurts to get input from others. Anyone have setup and maybe pics of it?

George:
http://www.flamingriver.com/index.php/products/c0015/s0002

dreracecar:
Master switch only required if carrying a battery for starting purposes/electric fuel pumps. If the battery is for tranny brake or intruments, then not required and cockpit mag kill switch is enough

H.G. Wells:
I cannot find the pn on the set up that I used, but I believe it was from Jegs and is simply a normally open relay that sends the mag to ground when the power is shut off to the relay. This was on the car when it had a battery to self start. Use a regular master kill switch wired to the relay. 

But Bruce is right and I have told more that one tech guy "why do I need a battery shut off if I don't have a battery". (when the car did not carry a battery to start just a small dry cell to run the shift light and brake)

wideopen231:
Car will have battery for starter,delay box, ttraqns brake ,gauges,tail light and driving lights for those tracks with dark shut down and return roads.

Relay would require more wiring than the flamming river piece.My cut off is right in front of engine,batter infront of front axle and cable out rear.Matter of fact cut off is less than foot from mag box.Down side flamingriver unit is about 100 more than normal shut off. Oh well the price you pay for the way we love to play

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